t89c51rd2-slscl ATMEL Corporation, t89c51rd2-slscl Datasheet - Page 91

• Manufacturer Part Number: t89c51rd2-slscl
• Description: 0 To 40 Mhz Flash Programmable 8-bit Microcontroller
• Manufacturer: ATMEL Corporation

Table 52. AC Parameters for a Variable Clock
Shift Register Timing
Waveforms
Flash EEPROM Programming
and Verification
Characteristics
Table 53. Flash Programming Parameters
4243G–8051–05/03
Symbol
1/T
T
T
T
T
T
T
T
T
T
T
Symbol
GHAX
DVGL
GHDX
GLGH
GLGH
AVQV
EHQZ
EHAZ
AVGL
ELQV
CLCL
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Parameter
Oscillator Frquency
Control to address float
Address Setup to PROG Low
Adress Hold after
Data Setup to PROG Low
Data
PROG Width for PGMC and PGXC*
PROG Width for PGML
Address to Valid Data
ENABLE Low to Data Valid
Data Float after ENABLE
Hold after
Type
T
Max
Min
Min
Min
Min
QVXH
0
PROG
PROG
T
A
T
XHDV
= 21°C to 27°C; V
Standard Clock
1
0
VALID
T
XLXL
10 T - x
10 T - x
2 T - x
12 T
x
T
XHQX
2
1
VALID
SS
T
3
= 0V; V
XHDX
X2 Clock
2
VALID
5 T - x
5 T- x
T - x
6 T
x
CC
4
3
VALID
= 5V ± 10%.
48 T
48 T
48 T
48 T
48 T
X parameter for -
Min
10
4
0
CLCL
CLCL
CLCL
CLCL
CLCL
M range
5
4
133
50
20
VALID
0
6
5
VALID
X parameter for -
L range
48 T
48 T
48 T
48 T
133
Max
50
20
7
0
20
6
6
CLCL
CLCL
CLCL
CLCL
VALID
T89C51RD2
SET TI
SET RI
8
7
VALID
Units
ns
ns
ns
ns
ns
Units
MHz
ms
91